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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`
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`APPLE INC.,
`PETITIONER,
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`v.
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`LOGANTREE LP,
`PATENT OWNER.
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`
`
`CASE IPR2022-00040
`PATENT 6,059,576
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`PETITIONER’S LIMITED POWER OF ATTORNEY
`37 C.F.R. § 42.10
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`IPR2022-000
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`
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`Patent 6,059,576
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`Pursuant to 37 C.F.R. § 42.10, LoganTree LP (“Patent Owner”) hereby
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`appoints the following practitioners as their attorneys to transact all business in the
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`United States Patent and Trademark Office associated with the above captioned inter
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`partes review no. IPR2022-00040.
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`Lead Counsel
`David E. Warden (Reg. No. 35,733)
`AHMAD, ZAVITSANOS & MENSING PC
`1221 McKinney, Suite 2500
`Houston, Texas 77010
`Tel: (713) 655–1101
`Fax: (713) 655–0062
`dwarden@azalaw.com
`
`Backup Counsel
`Jason McManis (pro hac vice to be filed)
`Colin Phillips (pro hac vice to be filed)
`AHMAD, ZAVITSANOS & MENSING PC
`1221 McKinney, Suite 2500
`Houston, Texas 77010
`Tel: (713) 655–1101
`Fax: (713) 655–0062
`jmcmanis@azalaw.com
`cphillips@azalaw.com
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`The individual signing below has authority to execute this document on behalf
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`of patent owner.
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`Dated: August 26, 2022
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`By:
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`/s/ Jeremy Brann
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`Name: Jeremy Brann
`Title: Manager, LoganTree LP
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`CERTIFICATE OF SERVICE
`The undersigned certifies that on August 26, 2022, a complete and entire copy
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`of the foregoing PETITIONER’S LIMITED POWER OF ATTORNEY and all
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`documents filed with it were served via electronic mail, to the following.
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`Lead Counsel
`W. Karl Renner
`Reg. No. 41,265
`Fish & Richardson P.C.
`3200 RBC Plaza
`60 South Sixth Street
`Minneapolis, MN 55402
`Tel: 202-783-5070
`Fax: 877-769-7945
`IPR50095-00411IP2@fr.com
`Axf-ptab@fr.com
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`
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`Dated: August 26, 2022
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`
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`Back-up Counsel
`Andrew B. Patrick, Reg. No. 63,471
`Usman A. Khan, Reg. No. 70,439
`Kim Leung, Reg. No. 64,399
`3200 RBC Plaza
`60 South Sixth Street
`Minneapolis, MN 55402
`Tel: 202-783-5070
`Fax: 877-769-7945
`PTABInbound@fr.com
`patrick@fr.com
`khan@fr.com
`leung@fr.com
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`
`
` /s/ David E. Warden
`David E. Warden (Reg. No. 35,733)
`
`AHMAD, ZAVITSANOS & MENSING, P.C.
`1221 McKinney Street, Suite 3460
`Houston, TX 77010
`Telephone: 713-655-1101
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